package cn.hdu.liang


data class Person(val name:String, val age:Int)

val people = listOf(Person("liang", 20), Person("hui", 40), Person("bing", 50))

val list = listOf(1, 2, 3, 4)

fun main(args:Array<String>) {
    val list2 = people.filter {it.age > 30}
    println(list2)
    //中文注释很不错
}